(19)

(11)

EP 2 959 261 A1

(12)

(43) Date of publication: 30.12.2015 Bulletin 2015/53 (21) Application number: 14754532.1 (22) Date of filing: 19.02.2014

(51) International Patent Classification (IPC):  F42B 12/36(2006.01) (86) International application number: PCT/SE2014/000021 (87) International publication number: WO 2014/129950 (28.08.2014 Gazette 2014/35)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (30) Priority: 22.02.2013 SE 1300141 (71) Applicant: BAE Systems Bofors AB 691 80 Karlskoga (SE)	(72) Inventor: REIJO, Vesa SE-713 92 Gyttorp (SE) (74) Representative: Vikholm, Tommy  Nobeli Business Support AB Patents and Trademarks Hyttåsvägen 10 691 80 Karlskoga 691 80 Karlskoga (SE)